17d807f05f
* plugin/metadata: add metadata plugin * plugin/metadata: Add MD struct, refactor code, fix doc * plugin/metadata: simplify metadata key * plugin/metadata: improve setup_test * Support of metadata by rewrite plugin. Move calculated variables to metadata. * Move variables from metadata to pkg, add UTs, READMEs change, metadata small fixes * Add client port validation to variables_test * plugin/metadata: improve README * plugin/metadata: rename methods * plugin/metadata: Update Metadataer interface, update doc, cosmetic code changes * plugin/metadata: move colllisions check to OnStartup(). Fix default variables metadataer. * plugin/metadata: Fix comment for method setValue * plugin/metadata: change variables order to fix linter warning * plugin/metadata: rename Metadataer to Provider
80 lines
1.4 KiB
Go
80 lines
1.4 KiB
Go
package variables
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import (
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"bytes"
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"testing"
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"github.com/coredns/coredns/plugin/test"
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"github.com/miekg/dns"
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)
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func TestGetValue(t *testing.T) {
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// test.ResponseWriter has the following values:
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// The remote will always be 10.240.0.1 and port 40212.
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// The local address is always 127.0.0.1 and port 53.
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tests := []struct {
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varName string
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expectedValue []byte
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shouldErr bool
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}{
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{
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queryName,
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[]byte("example.com."),
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false,
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},
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{
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queryType,
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[]byte{0x00, 0x01},
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false,
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},
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{
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clientIP,
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[]byte{10, 240, 0, 1},
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false,
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},
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{
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clientPort,
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[]byte{0x9D, 0x14},
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false,
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},
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{
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protocol,
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[]byte("udp"),
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false,
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},
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{
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serverIP,
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[]byte{127, 0, 0, 1},
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false,
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},
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{
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serverPort,
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[]byte{0, 53},
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false,
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},
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{
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"wrong_var",
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[]byte{},
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true,
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},
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}
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for i, tc := range tests {
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m := new(dns.Msg)
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m.SetQuestion("example.com.", dns.TypeA)
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m.Question[0].Qclass = dns.ClassINET
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value, err := GetValue(tc.varName, &test.ResponseWriter{}, m)
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if tc.shouldErr && err == nil {
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t.Errorf("Test %d: Expected error, but didn't recieve", i)
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}
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if !tc.shouldErr && err != nil {
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t.Errorf("Test %d: Expected no error, but got error: %v", i, err.Error())
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}
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if !bytes.Equal(tc.expectedValue, value) {
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t.Errorf("Test %d: Expected %v but got %v", i, tc.expectedValue, value)
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}
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}
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}
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